Could you have a table of notes? It holds information on how far each coefficient is 'off' from perfectly modeling the set. For anyone on here looking for a way to make it "do the reverse" and give you a rule, regression is the key.

Any … https://www.desmos.com/calculator/jwquvmikhr, https://www.desmos.com/calculator/paknt6oneh, https://www.desmos.com/calculator/sanlujpfmc, https://www.desmos.com/calculator/ejoqasul6s, https://www.desmos.com/calculator/qt9yqcdjmd. Get started with the video on the right, then dive deeper with the resources and challenges below. I can square the x1 data, but then I can't put that on the horizontal axis. I did yours as an example in the picture. And the circle icon at the top allows you to tweak more than just the color: adjust the style (dots, connected, or both) or convert the entire table into movable points with just a click! Equations, expressions, points, and lists of points can be converted to a table.

you may have an idea it fits general quadratics or what not) or even just set up your own matrix calculation using this method and the output will be the coefficients of the variables. Desmos will then turn the pair into a table of 2 new sets that are equivalent to the originals. Esther - pasting from Excel is fixed! For example: This will make Desmos give you values for m and b that fit the data best, as well as give you the R^2 value which tells you how closely it fits (1 is best). It will plot the squared x values and y values from the table you created. Enter your equation here. Create a function from a set of data. Enter your data here. This is perfect for what I'm looking to do.

Sorry for the noob question, but how do you start a topic? Basically, you take the header of the output column you want (lets say M) and write a generic looking equation using just letters. If you try to paste this directly, you just get a string of numbers in one cell. But, if you first paste the values into a Google Sheet, then copy that table into Desmos, it works fine. The derivative of a line graph is just the slope between any two points, but I assume you mean the derivative of a curve that fits the line graph. I can't seem to do it; you'd think it would be possible :-(, Hi Lee. For example, y = 2x + 1 can be converted with x as the input and y as the output. Is there any way to "copy/paste" data into a table of values?

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Enter values into the table and use the arrow keys to easily maneuver through the table. Press question mark to learn the rest of the keyboard shortcuts. It doesn't show for Polar equations as I am currently trying to do. Click and hold the icon in the depending header to open the color, style, and drag menu. Looks like the skeleton formula is y1~ax12 + bx12 + c. You could look up 'least squares calculator' if you have general ideas for the formula (i.e. Thanks, just tested it out. Soooo it doesn't even give me the option to covert my graphed functions into a table. Thanks! Solve it for a variable. I've done it once before a long time ago, but I forgot how. If you'd like to run a regression on these values, you can convert to table and then run the regression!

Points that display a linear pattern can be connected with an extended line by running a linear regression on the table data. Thanks! Does it have to be linear?

Excel and Numbers are working great to paste data into Desmos... from my laptop (which is still fantastic). Going from Excel to Desmos would be great! The table only shows if it is an XY equation. Graph Settings. You start by defining your set "b" along with a function or another list. Then, you put Y (or whatever you name the set) in the table, and it will fill out the column for you. Is there any way to access a specific element or row in the table, like for example, x_1{0} or x_1[0]? Any suggestions or alternate websites that can do this? Hopefully you've changed.

By using our Services or clicking I agree, you agree to our use of cookies. It's pretty damn good and pretty damn powerful if you know how to use it. Columns of tables in Desmos.com have different behavior depending their headings. How long can a table be? To add a blank table, open the Add Item menu and choose Table. Any way to do this automatically? hold the button when selecting it not just clicking.

∑(x1) and ∑(y1). Columns of tables in Desmos.com have different behavior depending their headings. Use the tilde symbol instead of equals. For converting to table, in case you or others are still having trouble, you need to click on the gear icon at the top of the editing area. Equation from a table. Better still, link existing points to other mathematical objects (like the vertex of a parabola, the center of an ellipse, or the y-intercept of a line). Enter your equation here.

Pro-Tip: Use Convert to Table to generate tables for expressions, equations and more. This is also a great way to graph shapes in the calculator. If the curve passing through the points you're putting on the table are perfectly aligned, you'll get a correlation coefficient of ±1 (r=±1). With tables, you can organize ordered pairs, quickly plot points for a particular function, or even run regression to find a line or curve of best fit. Let us know if you see any issues. I tried copying a table both from a Google Sheet and Excel and it won't paste into the expression box. Now we write an exponential function with y1 and x1 and a bunch of parameters (just random letters).

how to plot a normal diminution with mean =100 an sigma=10 PLZ. Works fine on computer. For example, given a set of x,y coordinates, students can fit a line to it, but I want them to be able to fit a line to x^2,y. To start, click the Edit List button. ), but I've made it figure out some pretty freaky ones. f(x) = sqrt(1 - (cos(27.13/180*pi)*sin(pi*t)-sin(27.13/180*pi)sin(x-192.85/180*pi)cos(pi*t)) To copy/paste from a spreadsheet, copy the data and paste it into a blank expression box in the calculator. Master the basics with a quick, step-by-step walkthrough. With tables, you can organize ordered pairs, quickly plot points for a particular function, or even run regression to find a line or curve of best fit. What this does here is giving you the equation of a REGRESSION LINE passing through points that you put in a table.

1. x 1 y 1 2.

"retarded ass website": I don't think it is. Learn Desmos | Desmos Homepage | Graphing Calculator | Classroom Activities | [email protected] If you're using a function, make sure it's taking the set as an input. 2.)

I had pretty much the same idea. Thanks! y = 2^x. This is perfect for what I'm looking to do.

If the expression line contains an available expression, a Convert to Table button will appear. Then you have to rewrite it as: Have you tried looking at the settings of the table? However when I try to cut and paste data on an iPad, nothing seems to happen. or things "" for each element?

If you put an function of x in the 2nd header we'll fill it in as a function table, calculating the values for you. Entering tables is easy depending on what type of data you're looking to enter.

Using Linear Regression to Connect Points. The less … I mean data points using desmos?

For example, x1 + 2. If i have a spreadsheet with 10000 inputs and 10000 outputs, what is the fastest way to put it all into a data table? Try one of these, or check out the full menu. The problem is, after I created a few of them, I realized that I don't see a way to use these tables/lists anywhere else. They don't have to do anything to it in Sheets, just paste from Docs, copy, then paste into Desmos :-). You'd be surprised at how stupid people can be, but that's okay because we all go through that phase. I am creating a Desmos representation of a global map. Is is possible to generate a table with a start value (such as 0, an an increment such as 0.001? Is there a way to copy the values on the table? Absolutely! Lee - one option to plot those points would be to write (x1^2,y1) on a new expression line. Are you asking how to put a rule into the table, or how to get Desmos to write a rule based on the points you out in?

Another tip: My students are using a table in Google Docs. When I cut and paste from Google Sheets, it works as one would hope.

Using a Table to Connect Coordinate Points. In a new formula line type y1~ax2 +bx+c or whatever the skeleton formula is. Functions. here are some examples from Desmos: Linear:https://www.desmos.com/calculator/jwquvmikhr Line of best fit (and other cool stuff):https://www.desmos.com/calculator/paknt6oneh Polynomial:https://www.desmos.com/calculator/sanlujpfmc, This one has 4 graphs from something I was working on:https://www.desmos.com/calculator/ejoqasul6s (note, it uses w instead of x). Un = 2 * Un-1 We just write the same exact thing but replace y1 with f(x) and x1 with regular old x. edit: you can also use the notation f'(x) to take the derivative faster (instead of d/dx). Ready for your next Learn Desmos topic?

Tony - we currently support pasting up to 50 data points, but are working on increasing that number :), Hi!

Yeah, I get that this comment is a year old. I'm seeing an option to convert a function into a table set, but I don't know how I can convert a table set into a function with Desmos.

~Esther. Featured. For example instead of the directly making a table sin(x), Making a table f(x), then define f(x) = sin(x)? Inequalities.

Instead of an equals sign, use a tilde ~. https://www.desmos.com/calculator/ylkzjlhra7. I just want to connect two points, is that really too much to ask? i.e. Am I just missing something? Also can function tables be defined abstractly/indirectly? Try out the regressions tour in the help menu to get started. ). It took me a while to find it: I was looking for a gear directly in the expression area where I'd typed (x1^2,y1). For more help on tables, check our our full Tables article.

Derivatives.

You can even check your error too doing this, as you're solving for a vector (x in the equation Ax = b), so the error will correspond to the vector Ax - b! Nope. - Tyler. Pasting data from Google Sheets is simply creating a single entry with all the data... not actually populating the table. What would be the best way to pull in large set of data? Equation from a table. (Thats for anyone!). It doesn't seem possible to copy from function tables at the moment. In Desmos, you can plot points one at a time, a few on a line, or all in a table, whichever you prefer.

you can certainly find a line of best fit for a curvy set, but it can work with polynomial expressions too. If you put an function of x in the 2nd header we'll fill it in as a function table, calculating the values for you. I want my students to be able to linearize data to find an exponential relationship.

Hello Im new, but is there a way that after I put in my equation and it beconmes a graph, can I see the coordinates in a table form. But unless all the x points are ordered integers starting at one, I can't later access this table of values for use in other functions, because y1[1] doesn't necessarily mean the same thing as y1(x1=1).

Please fix you dumb ass website so that I, Tyler can make my god damn line graph in peace. What this does here is giving you the equation of a REGRESSION LINE passing through points that you put in a table. The "log mode" is just a different algorithm that usually gives you the same thing but might save your life if the graph is being weird. If you want to enter a rule into the table, just write a formula on top in terms of x1.

Were you able to find a way yet? Is there a way to do this the other way around? There are a couple of ways to do that. Welcome to the Desmos graphing calculator! To create a movable point, use parameters instead of numerical coordinates, like this: (h, k). If your rule looks like this: Please and Thank you. There are multiple ways to connect points in a line depending on the style and substance you're looking for. Thanks! When creating a table in Desmos, points can be connected by clicking and long-holding the icon next to the dependent column header.

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